image
Automatic enhancement of scanned images
translated to hsv V-layer is corrected by scaling values from (min,max) range to (0,255) range assembled back to rgb correcting R,G,B layers of result by same idea as the V-layer on second step there is no aforge.net code, because it processed by php prototype code, but afaik there is no any problem to do such … Read more
What should I use instead of the deprecated `onerror` attribute?
I think that was a mistake. WHATWG still mention onerror in their HTML living standard specification. Also, onerror attribute on img elements is not included in their obsolete features list.
How can I convert an Icon to an Image
Just found a code snippet which might help if you want to wrap those misbehaving LAF provided icons more often: /** * Some ui-icons misbehave in that they unconditionally class-cast to the * component type they are mostly painted on. Consequently they blow up if * we are trying to paint them anywhere else (f.i. … Read more
Flutter: How would one save a Canvas/CustomPainter to an image file?
You can capture the output of a CustomPainter with PictureRecorder. Pass your PictureRecorder instance to the constructor for your Canvas. The Picture returned by PictureRecorder.endRecording can then be converted to an Image with Picture.toImage. Finally, extract the image bytes using Image.toByteData. Here’s an example: https://github.com/rxlabz/flutter_canvas_to_image
jquery html() callback function
$(‘#divId’).html(someText).promise().done(function(){ //your callback logic / code here });
How do I desaturate and saturate an image using CSS?
You just have to reverse the grayscale for each browser prefix CSS property: img:hover { filter: none; -webkit-filter: grayscale(0%); -moz-filter: grayscale(0%); -ms-filter: grayscale(0%); -o-filter: grayscale(0%); cursor: pointer; } http://jsfiddle.net/7mNEC/1/
HTTP 403 on images loaded from googleusercontent.com
Add referrerpolicy=”no-referrer” attribute <img src=”your-google-link-here” referrerpolicy=”no-referrer”/>
Convert multipage PDF to a single image
Finally I find THE solution: convert in.pdf -append out%d.png Thanks to this post. edit As a plus, the opposite operation is: convert *.png output.pdf or if you have foo1.png, foo2.png..fooN.png convert foo?.png output.pdf Notice that does not work with foo01.png, foo02.png..foo0N.png